Home / 18,860.04-28,295.33-5,712.53

Finding the Fourth Proportional to 18,860.04, 28,295.33 and 5,712.53

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Solution

The fourth proportional to 18,860.04, 28,295.33 and 5,712.53 is: 8,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.04 : 28,295.33 = 5,712.53 : x
  2. Step 2: Convert to fraction form
    18,860.04/28,295.33 = 5,712.53/x
  3. Step 3: Cross multiply
    18,860.04x = 28,295.33 × 5,712.53
  4. Step 4: Simplify right side
    18,860.04x = 161,637,751.45
  5. Step 5: Solve for x
    x = 161,637,751.45/18,860.04
  6. Step 6: Final answer
    x = 8,570.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.